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- Host rocks are pelitic siltstone and silty mudstone. 矿体明显受断裂控制。
- Norton has reviewed conditions of deposition of the uranium host rocks. 诺顿论述了含铀主岩的沉积条件。
- At a surface exposure the host rock dips steeply to the east. 在一个露头处,含矿主岩向东陡倾。
- The host rock conformably overlies a band of siliceous chertybrecia. 含矿主岩整合地上覆于硅质燧石角砾石带之上。
- The host rock conformably overlies a band of siliceous cherty breccia. 含矿主岩整合地上覆于硅质燧石角砾石带之上。
- Based on study of petrological characteristics and pore types, we regard that the host rocks have lower porosity. 通过对赋矿岩石的岩石学特征、孔隙类型进行研究,认为寨上矿区的赋矿岩石为低孔隙度。
- The host rocks of Zhaishang Au deposit are mainly argillic, calc and carbonaceous slates and silty sandstone. 摘要寨上金矿区赋矿岩石主要为泥质、钙质、碳质板岩、粉砂岩等。
- The host rocks are mainly skarn and skarnization limestone of the permian luobadui and mengla formation. 容矿岩石主要为二叠系洛巴堆组,蒙拉组矽卡岩、矽卡岩化灰岩。
- Early Triassic Daye Group and Middle-late Triassic Puqi Group are host rocks of Fe-Cu deposits in the eastern Hubai. 侵入接触带构造,捕虏体接触带构造,断裂叠加接触带构造,断裂构造是矿床的容矿构造。
- The host rocks of Dashuigou independent tellurium ore deposit are mainly green schist facies metamorphic rocks. 大水沟独立碲矿床的直接赋矿围岩为低绿片岩相变质岩。
- Based on study of petrological characteristics and pore types,we regard that the host rocks have lower porosity. 通过对赋矿岩石的岩石学特征、孔隙类型进行研究,认为寨上矿区的赋矿岩石为低孔隙度。
- The host rocks of Zhaishang Au deposit are mainly argillic,calc and carbonaceous slates and silty sandstone. 寨上金矿区赋矿岩石主要为泥质、钙质、碳质板岩、粉砂岩等。
- According to REE abundances in the host rocks and the partition coefficients of cryst-liquid, the history of crystal separation of magma can be traced. 据寄主岩的稀土元素丰度与晶液分配系数,追溯了岩浆的结晶分离历史。
- Wenquan granite is composed of two end-member rocks, one is the host rock of the acid end-member, and the other is the microgranular mafic enclave. 摘要温泉花岗岩体由酸性端元的寄主岩石和暗色微细粒镁铁质包体群及基性岩墙群组成。
- The lead isotope study shows that ores of the Mujiazhuang copper deposit and the host rocks contain very high radiogenic lead. 研究表明,穆家庄铜矿矿石铅和近矿围岩岩石铅具有极高的放射性成因铅特点。
- The bimodel volcanic rocks of Middle Cambrian are major host rocks containing many polymetallic VMS deposits with larger scale. 中寒武统双峰火山岩所赋存的多金属VMS矿床多、规模大,是主要含矿岩系。
- Its host rock is picritic volcanics,which is different from other volcanic rocks related to iron(copper) ore deposit. 其赋矿围岩为苦橄质火山岩,区别于与火山岩相关的各类铁(铜)矿。
- The result shows that the REE features of host rocks in the two uranium ore-fields are rich in LREE with Eu negative abnormality. 结果发现两个铀矿田的围岩REE特征均为LREE富集型,具有明显的负铕异常。
- Skarnization siliceous rocks in the lower Ordovician Tieshidasi group is one of the dominant host rocks of Kendekeke cobalt-gold deposit. 上奥陶统铁石达斯群夕卡岩化硅质岩是东昆仑肯德可克钴金矿床的主要围岩之一,具有沉积结构构造。
- The Xiangshan ores is rich in REE, especially in HREE, and the Content of REE and U is directly propotional and they have the same Eu negative abnormality as the host rocks. 相山矿田的矿石富集REE特别是HREE,并且与铀含量呈正相关关系,矿石和围岩的负铕异常相同;
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